intel_de_read(dev_priv, PFIT_CONTROL(dev_priv)) & PFIT_ENABLE);
        assert_transcoder_disabled(dev_priv, crtc_state->cpu_transcoder);
 
-       intel_de_write(dev_priv, PFIT_PGM_RATIOS,
+       intel_de_write(dev_priv, PFIT_PGM_RATIOS(dev_priv),
                       crtc_state->gmch_pfit.pgm_ratios);
        intel_de_write(dev_priv, PFIT_CONTROL(dev_priv),
                       crtc_state->gmch_pfit.control);
 
        crtc_state->gmch_pfit.control = tmp;
        crtc_state->gmch_pfit.pgm_ratios =
-               intel_de_read(dev_priv, PFIT_PGM_RATIOS);
+               intel_de_read(dev_priv, PFIT_PGM_RATIOS(dev_priv));
 }
 
 static enum intel_output_format
 
         * line with the intel documentation for the i965
         */
        if (DISPLAY_VER(dev_priv) >= 4) {
-               u32 tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
+               u32 tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS(dev_priv));
 
                /* on i965 use the PGM reg to read out the autoscaler values */
                ratio = REG_FIELD_GET(PFIT_VERT_SCALE_MASK_965, tmp);
                if (intel_de_read(dev_priv, PFIT_CONTROL(dev_priv)) & PFIT_VERT_AUTO_SCALE)
                        tmp = intel_de_read(dev_priv, PFIT_AUTO_RATIOS);
                else
-                       tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);
+                       tmp = intel_de_read(dev_priv,
+                                           PFIT_PGM_RATIOS(dev_priv));
 
                ratio = REG_FIELD_GET(PFIT_VERT_SCALE_MASK, tmp);
        }
 
 #define   PFIT_HORIZ_AUTO_SCALE                REG_BIT(5) /* pre-965 */
 #define   PFIT_PANEL_8TO6_DITHER_ENABLE        REG_BIT(3) /* pre-965 */
 
-#define PFIT_PGM_RATIOS _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61234)
+#define PFIT_PGM_RATIOS(dev_priv) _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61234)
 #define   PFIT_VERT_SCALE_MASK         REG_GENMASK(31, 20) /* pre-965 */
 #define   PFIT_VERT_SCALE(x)           REG_FIELD_PREP(PFIT_VERT_SCALE_MASK, (x))
 #define   PFIT_HORIZ_SCALE_MASK                REG_GENMASK(15, 4) /* pre-965 */